Research & Development

Sulfonation Technology

Since the foundation of the company, we have been manufacturing and developing by focusing on sulfonation reactions, what is called functional chemical derivatives used for color developers, flame retardants, pharmaceutical products, etc. In recent years, we are challenging proposals for new sulfonic acid monomers and new fields of sulfonation treatment of special polymers because of the requirements for the development of new materials emphasizing the functions of proton conductivity and electron conductivity that are inherent in the sulfonic acid group. In the closed development stages of customers, we will make efforts in solving the issue of "how we can be recognized by customers as their inside partner."

Trans-Sulfonation Technology

We have our own technology called "trans-sulfonation" as illustrated at the right, in addition to general sulfonation reactions using sulfuric acid, fuming sulfuric acid, Sulfan and chlorosulfonic acid. Compared with the reactions using sulfuric acid, fuming sulfuric acid, chlorosulfonic acid, sulfur trioxide, etc., our trans-sulfonation method provides milder and cleaner sulfonation. We discovered the phenomenon that anhydrous polyalkylbenzene sulfonic acids easily breaks away from the sulfonic acid group and transforms into another compound, and we developed a new sulfonation method using the phenomenon.

Sulfonyl Chloride Derivatives

We also provide many sulfonyl chloride derivatives by utilizing our niche technologies. We are ready to offer proposals in an integrated way covering sulfonic acid esters and sulfonic acid amides.

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